Home / 1,402,166.60-2,099,102.70-1,320,144.20

Finding the Fourth Proportional to 1,402,166.60, 2,099,102.70 and 1,320,144.20

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Solution

The fourth proportional to 1,402,166.60, 2,099,102.70 and 1,320,144.20 is: 1,976,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,166.60 : 2,099,102.70 = 1,320,144.20 : x
  2. Step 2: Convert to fraction form
    1,402,166.60/2,099,102.70 = 1,320,144.20/x
  3. Step 3: Cross multiply
    1,402,166.60x = 2,099,102.70 × 1,320,144.20
  4. Step 4: Simplify right side
    1,402,166.60x = 2,771,118,254,609.34
  5. Step 5: Solve for x
    x = 2,771,118,254,609.34/1,402,166.60
  6. Step 6: Final answer
    x = 1,976,311.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.